MPLS traffic engineering

1- IGP  ( OSPF or ISIS extensions) 

2- BGP

3- IGP shortcut ( IGP will point/Next-hop to an LSP if possible )

4- ISIS wide-area metrics


set protocols ospf traffic-engineering



set protocols isis level 2 wide-metrics-only
set protocols isis level 1 wide-metrics-only
set protocols isis traffic-engineering family inet shortcuts


set protocols mpls traffic-engineering ?